Dell PowerEdge T105 Hardware Owner's Manual (PDF) - Page 113
Troubleshooting System Cooling Problems, Troubleshooting a Fan
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Troubleshooting System Cooling Problems Problem • Systems management software issues a fan-related error message. Action Ensure that none of the following conditions exist: • System cover, drive blank, or front or back filler panel is removed. • Ambient temperature is too high. • External airflow is obstructed. • Cables inside the system obstruct airflow. • An individual cooling fan is removed or has failed. See "Troubleshooting a Fan" on page 113. Troubleshooting a Fan Problem • System-status indicator is amber. • System management software issues a fan-related error message. Action CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. Before performing any procedure, see your Product Information Guide for complete information about safety precautions, working inside the computer and protecting against electrostatic discharge. 1 Run the appropriate diagnostic test. See "Using Dell PowerEdge Diagnostics" on page 127. 2 Turn off the system and attached peripherals, and disconnect the system from the electrical outlet. 3 Open the system. See "Opening the System" on page 47. CAUTION: The cooling fans are hot-pluggable. To maintain proper cooling while the system is on, only replace one fan at a time. Troubleshooting Your System 113